These are simple earrings featuring heart-shaped glow-in-the-dark Hotaru glass and only earring hooks. Recommended for those who want simple, minimalist earrings, without any unnecessary elements. Color: Hateruma Blue The color may vary depending on your monitor, but it's a very beautiful light blue with a gradient effect on the top and bottom of the glass bead. This Hotaru glass is glow-in-the-dark, so it will glow in the dark for a while when exposed to strong light. ※What is Hotaru Glass? A very popular souvenir item in Okinawa, its deep blue color evokes the Okinawan sea. Hotaru glass, popular as a souvenir, is a glass bead with a hole, made using a molding technique called burner work, similar to tonbo-dama (lampwork glass beads). Artisans melt colored glass one by one onto an iron core, and then layer silver foil onto the glass in a molten state, like syrup, using a special technique to create beautiful colors. There are no clear records of when Hotaru glass, a type of tonbo-dama that originated outside of Okinawa, became popular as a souvenir in Okinawa, but it gained attention in the late 1980s as a replacement for rare coral products, and it is said that its colors reminiscent of the deep sea captured the hearts of tourists. ・The attachment part is an earring hook (gold color, brass). ※ You can also get silver-colored (brass) fittings for no additional charge. If you wish, please let us know in the comments section, and we will change it to silver and ship it. ※ The attachment part can be changed for a fee. ・Titanium hook +10 yen ・Piercing post +40 yen (can be changed to silver) ・Resin hook +15 yen ・Resin post +145 yen (can be changed to silver) ・Non-hole earrings +205 yen (can be changed to silver) ・Earrings +85 yen (can be changed to silver) If you wish to change the fittings, please let us know in the comments section. We will create a dedicated page for you to purchase from. ・The price and sale are for a set of 2, so we do not sell single earrings. ・The metal fittings used are not specifically allergy-proof. ・These are handmade, so they are not perfect. Please purchase only if you understand. ・To prevent deterioration as much as possible, please remove them when bathing or swimming in the sea. ・If you purchase other items I am selling together, we can discount the shipping cost for the duplicated amount, but we do not offer discounts on single items. ・I do not smoke, and I do not have any pets.